5. Patients who are receiving concomitant therapy with stimulant medications such as those used to treat attention deficit disorder/attention deficit hyperactivity disorder (eg, amphetamine/dextroamphetamine [Adderall], methylphenidate, dextroamphetamine) or the fatigue associated with sleep apnea or shift work (eg, modafinil) and are unable to washout or for whom washout is inadvisable*